Leidos Gibbs & Cox is an engineering and design firm specializing naval architecture, marine engineering, and consulting engineering. The firm is headquartered in Arlington, Virginia with offices in New York City; Chesapeake, Virginia; Newport News, Virginia; New Orleans, Louisiana; and Philadelphia, Pennsylvania. The firm is focused on growth in emerging maritime programs in systems engineering, platform design, sustainment and life-cycle extension for both government and commercial market sectors. The core of the firms staff is experienced in naval architecture, engineering, design, and management support services to US Government and international government clients.